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Tropical storm threatens July 4th

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The tropical storm would clear out by the weekend, CNN meteorologists said, adding that Florida can expect heavy rain at the start of the week.

If the weather system does turn into a tropical storm it would be given the name Arthur.

According to the National Weather Service, there's a 30% chance of rain July 4 in Washington and a 60% chance on the two preceding days. New York has a 60% chance of rain on Independence Day and a 30% to 70% chance the two preceding days.